module.exports = function()

in css/jetbrains-bundle/sales-chat.js [766:778]


	module.exports = function(TO_STRING){
	  return function(that, pos){
	    var s = String(defined(that))
	      , i = toInteger(pos)
	      , l = s.length
	      , a, b;
	    if(i < 0 || i >= l)return TO_STRING ? '' : undefined;
	    a = s.charCodeAt(i);
	    return a < 0xd800 || a > 0xdbff || i + 1 === l || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff
	      ? TO_STRING ? s.charAt(i) : a
	      : TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000;
	  };
	};